Blue crab measuring tool



FIG. 1 is a top plan view of a blue crab measuring tool showing my newdesign;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is left side elevation view thereof; and,

FIG. 6 is right side elevation view thereof.

FIGS. 3-6 are shown on an enlarged scale for clarity of illustration.

The ornamental design for a blue crab measuring tool, as shown.